Auxiliary device for preventing defects of hot-rolled flat coil

The utility model provides an auxiliary device for preventing hot rolling flat coil defects, which comprises a base, a first supporting device and a second supporting device, the base is parallel to the horizontal plane, the first supporting device comprises a first supporting cushion block, a first inclined plane is arranged on the first supporting cushion block, and a first scratch-proof board is mounted on the first inclined plane; the second supporting device comprises a second supporting cushion block, a second inclined face is arranged on the second supporting cushion block, and a second scratch-proof plate face is installed on the second inclined face. The first scratch-proof plate surface and the second scratch-proof plate surface are oppositely arranged at an interval and have the same inclination angle relative to the base; and the coiled steel coil is placed between the first scratch-proof plate surface and the second scratch-proof plate surface. The device is simple in structure, convenient to use